Word: carcharodontosaurus
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Scientists are finding lots of surprises. The facial bones and teeth of the tyrannosaur-topping dinosaur, it turns out, are the same as those of a rare species, called Carcharodontosaurus saharicus ("shark-toothed reptile from the Sahara"), which were found in Egypt in the 1920s but destroyed during World War II. The new skull not only establishes the animal's size but also proves that the huge dinosaur had a comparably huge home range that spanned all of North Africa...
...Instead, Carcharodontosaurus closely resembles certain North American carnivores. This implies that the species were exchanging genes well into the early Cretaceous period, which ended perhaps 100 million years ago. Did a bridge of land connect Laurasia and Gondwana after the rest of the landmasses had mostly separated? That's what the new evidence suggests. By 90 million years ago, the separation of continents was evidently complete; Deltadromeus and other African dinosaurs from that period are quite distinct...
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